Patents by Inventor Karl Isbert

Karl Isbert has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Changeable process window
    Patent number: 6741411
    Abstract: A process window unit for the spectroscopic study of process mixtures The process window is comprised of a window frame for holding a window, a screw cylinder, with a radiation passage in its core and an external thread for screwing the screw cylinder into the window frame as well as an elastic seal between the window and the screw cylinder, the window being designed with a conically tapering profile on the process side opposite the screw cylinder.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: May 25, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl Isbert, Lutz Spauschus, Ulrich Heesen
  • Changeable process window
    Publication number: 20030133210
    Abstract: A process window unit for the spectroscopic study of process mixtures The process window is comprised of a window frame for holding a window, a screw cylinder, with a radiation passage in its core and an external thread for screwing the screw cylinder into the window frame as well as an elastic seal between the window and the screw cylinder, the window being designed with a conically tapering profile on the process side opposite the screw cylinder.
    Type: Application
    Filed: December 20, 2002
    Publication date: July 17, 2003
    Applicant: Bayer Aktiengesellschaft
    Inventors: Karl Isbert, Lutz Spauschus, Ulrich Heesen